DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e90371d0, owner = 0x0, curr 0xffff0000d8f00000, list empty
WARNING: CPU: 0 PID: 4119 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline]
WARNING: CPU: 0 PID: 4119 at kernel/locking/rwsem.c:1350 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
Modules linked in:
CPU: 0 PID: 4119 Comm: syz.3.9 Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1349 [inline]
pc : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
lr : __up_write kernel/locking/rwsem.c:1349 [inline]
lr : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
sp : ffff800020057bc0
x29: ffff800020057bd0 x28: ffff0000d9378000 x27: 0000000000000000
x26: dfff800000000000 x25: 1fffe0001d206e47 x24: ffff0000e9037228
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d8f00000
x20: ffff0000e90371d0 x19: ffff0000e90371d0 x18: 0000000000000001
x17: 0000000000000002 x16: ffff800011b4c240 x15: 00000000ffffffff
x14: ffff0000d8f00000 x13: 0000000000000001 x12: 0000000000080000
x11: 000000000001aaa0 x10: ffff800027b3a000 x9 : 543e95862b6ac200
x8 : 543e95862b6ac200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020057338 x4 : ffff800014c40660 x3 : ffff8000085567f8
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000000000bd
Call trace:
 __up_write kernel/locking/rwsem.c:1349 [inline]
 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
 inode_unlock include/linux/fs.h:794 [inline]
 done_path_create fs/namei.c:3886 [inline]
 do_mknodat+0x410/0x694 fs/namei.c:4009
 __do_sys_mknodat fs/namei.c:4022 [inline]
 __se_sys_mknodat fs/namei.c:4019 [inline]
 __arm64_sys_mknodat+0xb0/0xcc fs/namei.c:4019
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 546
hardirqs last  enabled at (545): [<ffff80000832c1a4>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (546): [<ffff800011b478f4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (254): [<ffff8000080309b8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (252): [<ffff800008030984>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace eb187d7571b23caa ]---